Most people will drive to the stadium, so the local mass increase is a factor of ~10 higher. Assume 2 people per car and 1500kg/car (this is pretty conservativ

Most people will drive to the stadium, so the local mass increase is a factor of ~10 higher. Assume 2 people per car and 1500kg/car (this is pretty conservative for Colorado, where SUVs and pickups are common), so each athlete, employee, and attendee would bring in ~800kg mass plus their own weight. EDIT: I was curious about the parking situation; seems to be a bunch of lots scattered around with JILA effectively in the center: https://en.parkopedia.com/parking/stadium/folsom-field-co/?arriving=202103251430&leaving=202103251630 https://en.parkopedia.com/parking/stadium/folsom-field-co/?a...